53030916 has 96 divisors (see below), whose sum is σ = 147598080. Its totient is φ = 16422912.

The previous prime is 53030903. The next prime is 53030921. The reversal of 53030916 is 61903035.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53030916.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91620 + ... + 92196.

It is an arithmetic number, because the mean of its divisors is an integer number (1537480).

Almost surely, 2^53030916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53030916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73799040).

53030916 is an abundant number, since it is smaller than the sum of its proper divisors (94567164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53030916 is a wasteful number, since it uses less digits than its factorization.

53030916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 53030916 is about 7282.2328993242. The cubic root of 53030916 is about 375.7015985400.

The spelling of 53030916 in words is "fifty-three million, thirty thousand, nine hundred sixteen".